CVE-2025-5419: Google Chromium V8 Out-of-Bounds Read and Write Vulnerability

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: yes — in CISA KEV since 2025-06-05
EPSS: 7.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-06-03 · updated 2026-06-17
Weakness: CWE-125

Description

Out of bounds read and write in V8 in Google Chrome prior to 137.0.7151.68 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

Affected products

Google Chrome: before 137.0.7151.68 — fixed in 137.0.7151.68
Microsoft Edge (Chromium): before 137.0.3296.62 — fixed in 137.0.3296.62

How to fix

Upgrade to a fixed version: Google Chrome 137.0.7151.68; Microsoft Edge (Chromium) 137.0.3296.62. Check the vendor advisory for mitigations.

References

https://chromereleases.googleblog.com/2025/06/stable-channel-update-for-desktop.html
https://issues.chromium.org/issues/420636529
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-5419
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-5419

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